nevermind i fixed it, just had to install the mod: ancore and this fix down below https://www.curseforge.com/minecraft/mc-mods/mixin-extras-neoforge-on-forge-fix
doesnt work, but it always seems to say: Caused by: java.lang.module.ResolutionException: Modules mixinextras.neoforge and MixinExtras But i dont have a mod called like that, and it always says another mod when i remove the one mentioned, in this case onlyhammers